com.feilong.lib.xstream.security.ExplicitTypePermission Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of feilong Show documentation

feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.

There is a newer version: 4.0.8

Show newest version

/*
 * Copyright (C) 2014 XStream Committers.
 * All rights reserved.
 *
 * Created on 09. January 2014 by Joerg Schaible
 */
package com.feilong.lib.xstream.security;

import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

/**
 * Explicit permission for a type with a name matching one in the provided list.
 * 
 * @author Jörg Schaible
 * @since 1.4.7
 */
public class ExplicitTypePermission implements TypePermission{

    final Set names;

    /**
     * @since 1.4.7
     */
    public ExplicitTypePermission(final Class[] types){
        this(new Object(){

            public String[] getNames(){
                if (types == null){
                    return null;
                }
                String[] names = new String[types.length];
                for (int i = 0; i < types.length; ++i){
                    names[i] = types[i].getName();
                }
                return names;
            }
        }.getNames());
    }

    /**
     * @since 1.4.7
     */
    public ExplicitTypePermission(String[] names){
        this.names = names == null ? Collections.EMPTY_SET : new HashSet(Arrays.asList(names));
    }

    @Override
    public boolean allows(Class type){
        if (type == null){
            return false;
        }
        return names.contains(type.getName());
    }

}